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* libtool.m4 (AC_CHECK_LIBM): Search for a real symbol in

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the math library rather than 'main', it causes problems for
C++ compilers with certain Auto* tools.
(AC_LIBLTDL_INSTALLABLE): ditto.
This commit is contained in:
Robert Boehne 2003-02-06 04:51:20 +00:00
parent 306c939a38
commit e3c603ee55
2 changed files with 10 additions and 3 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2003-02-05 Robert Boehne <rboehne@gnu.org>
* libtool.m4 (AC_CHECK_LIBM): Search for a real symbol in
the math library rather than 'main', it causes problems for
C++ compilers with certain Auto* tools.
(AC_LIBLTDL_INSTALLABLE): ditto.
2003-02-05 Christian Cornelssen <ccorn@cs.tu-berlin.de>
* libtool.m4 (_LT_AC_LANG_CXX_CONFIG)

6
libtool.m4 vendored
View File

@ -2246,10 +2246,10 @@ case $host in
;;
*-ncr-sysv4.3*)
AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
;;
*)
AC_CHECK_LIB(m, main, LIBM="-lm")
AC_CHECK_LIB(m, cos, LIBM="-lm")
;;
esac
])# AC_CHECK_LIBM
@ -2294,7 +2294,7 @@ AC_DEFUN([AC_LIBLTDL_CONVENIENCE],
# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
AC_DEFUN([AC_LIBLTDL_INSTALLABLE],
[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
AC_CHECK_LIB(ltdl, main,
AC_CHECK_LIB(ltdl, lt_dlinit,
[test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
[if test x"$enable_ltdl_install" = xno; then
AC_MSG_WARN([libltdl not installed, but installation disabled])